1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE
4 # Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
5 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
7 # This library is free software; you can redistribute it and/or
8 # modify it under the terms of the GNU Lesser General Public
9 # License as published by the Free Software Foundation; either
10 # version 2.1 of the License, or (at your option) any later version.
12 # This library is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # Lesser General Public License for more details.
17 # You should have received a copy of the GNU Lesser General Public
18 # License along with this library; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
24 # Tetrahedrization of the geometry generated by the Python script
26 # Hypothesis and algorithms for the mesh generation are global
31 import SMESH, SALOMEDS
32 from salome.smesh import smeshBuilder
33 smesh = smeshBuilder.New(salome.myStudy)
35 compshell = SMESH_fixation.compshell
36 idcomp = SMESH_fixation.idcomp
37 geompy = SMESH_fixation.geompy
38 salome = SMESH_fixation.salome
40 print "Analysis of the geometry to be meshed :"
41 subShellList = geompy.SubShapeAll(compshell, geompy.ShapeType["SHELL"])
42 subFaceList = geompy.SubShapeAll(compshell, geompy.ShapeType["FACE"])
43 subEdgeList = geompy.SubShapeAll(compshell, geompy.ShapeType["EDGE"])
45 print "number of Shells in compshell : ", len(subShellList)
46 print "number of Faces in compshell : ", len(subFaceList)
47 print "number of Edges in compshell : ", len(subEdgeList)
49 status = geompy.CheckShape(compshell)
50 print " check status ", status
52 ### ---------------------------- SMESH --------------------------------------
53 smesh.SetCurrentStudy(salome.myStudy)
55 # ---- init a Mesh with the compshell
57 mesh = smesh.Mesh(compshell, "MeshcompShell")
60 # ---- set Hypothesis and Algorithm
62 print "-------------------------- NumberOfSegments"
66 regular1D = mesh.Segment()
67 regular1D.SetName("Wire Discretisation")
68 hypNbSeg = regular1D.NumberOfSegments(numberOfSegments)
69 print hypNbSeg.GetName()
70 print hypNbSeg.GetId()
71 print hypNbSeg.GetNumberOfSegments()
72 smesh.SetName(hypNbSeg, "NumberOfSegments_" + str(numberOfSegments))
74 ## print "-------------------------- MaxElementArea"
76 ## maxElementArea = 80
78 ## mefisto2D = mesh.Triangle()
79 ## mefisto2D.SetName("MEFISTO_2D")
80 ## hypArea = mefisto2D.MaxElementArea(maxElementArea)
81 ## print hypArea.GetName()
82 ## print hypArea.GetId()
83 ## print hypArea.GetMaxElementArea()
84 ## smesh.SetName(hypArea, "MaxElementArea_" + str(maxElementArea))
86 print "-------------------------- LengthFromEdges"
88 mefisto2D = mesh.Triangle()
89 mefisto2D.SetName("MEFISTO_2D")
90 hypLengthFromEdges = mefisto2D.LengthFromEdges()
91 print hypLengthFromEdges.GetName()
92 print hypLengthFromEdges.GetId()
93 smesh.SetName(hypLengthFromEdges, "LengthFromEdges")
96 print "-------------------------- MaxElementVolume"
98 maxElementVolume = 1000
100 netgen3D = mesh.Tetrahedron(smeshBuilder.NETGEN)
101 netgen3D.SetName("NETGEN_3D")
102 hypVolume = netgen3D.MaxElementVolume(maxElementVolume)
103 print hypVolume.GetName()
104 print hypVolume.GetId()
105 print hypVolume.GetMaxElementVolume()
106 smesh.SetName(hypVolume, "MaxElementVolume_" + str(maxElementVolume))
108 print "-------------------------- compute compshell"
109 ret = mesh.Compute(mesh)
112 log = mesh.GetLog(0) # no erase trace
115 print "Information about the MeshcompShel:"
116 print "Number of nodes : ", mesh.NbNodes()
117 print "Number of edges : ", mesh.NbEdges()
118 print "Number of faces : ", mesh.NbFaces()
119 print "Number of triangles : ", mesh.NbTriangles()
120 print "Number of volumes : ", mesh.NbVolumes()
121 print "Number of tetrahedrons : ", mesh.NbTetras()
124 print "problem when computing the mesh"
126 salome.sg.updateObjBrowser(1)